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authorameerj <52414509+ameerj@users.noreply.github.com>2021-05-19 07:00:51 +0200
committerameerj <52414509+ameerj@users.noreply.github.com>2021-07-23 03:51:33 +0200
commit36d040da7059e438fa35f1a5de5d5aed4cef5ca4 (patch)
tree304f0b94407b689627c4966212c06dc3e8ad65d5 /src/shader_recompiler
parentglasm: Implement PrimitiveId attribute read (diff)
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Diffstat (limited to 'src/shader_recompiler')
-rw-r--r--src/shader_recompiler/backend/glasm/emit_glasm.cpp16
-rw-r--r--src/shader_recompiler/backend/glasm/emit_glasm_instructions.h3
-rw-r--r--src/shader_recompiler/backend/glasm/emit_glasm_warp.cpp13
3 files changed, 28 insertions, 4 deletions
diff --git a/src/shader_recompiler/backend/glasm/emit_glasm.cpp b/src/shader_recompiler/backend/glasm/emit_glasm.cpp
index 4fc7d2f2f..f110fd7f8 100644
--- a/src/shader_recompiler/backend/glasm/emit_glasm.cpp
+++ b/src/shader_recompiler/backend/glasm/emit_glasm.cpp
@@ -281,7 +281,8 @@ void SetupOptions(const IR::Program& program, const Profile& profile, std::strin
if (info.uses_atomic_f16x2_add || info.uses_atomic_f16x2_min || info.uses_atomic_f16x2_max) {
header += "OPTION NV_shader_atomic_fp16_vector;";
}
- if (info.uses_subgroup_invocation_id || info.uses_subgroup_mask || info.uses_subgroup_vote) {
+ if (info.uses_subgroup_invocation_id || info.uses_subgroup_mask || info.uses_subgroup_vote ||
+ info.uses_fswzadd) {
header += "OPTION NV_shader_thread_group;";
}
if (info.uses_subgroup_shuffles) {
@@ -416,12 +417,25 @@ std::string EmitGLASM(const Profile& profile, IR::Program& program, Bindings& bi
if (program.local_memory_size > 0) {
header += fmt::format("lmem[{}],", program.local_memory_size);
}
+ if (program.info.uses_fswzadd) {
+ header += "FSWZA[4],FSWZB[4],";
+ }
header += "RC;"
"LONG TEMP ";
for (size_t index = 0; index < ctx.reg_alloc.NumUsedLongRegisters(); ++index) {
header += fmt::format("D{},", index);
}
header += "DC;";
+ if (program.info.uses_fswzadd) {
+ header += "MOV.F FSWZA[0],-1;"
+ "MOV.F FSWZA[1],1;"
+ "MOV.F FSWZA[2],-1;"
+ "MOV.F FSWZA[3],0;"
+ "MOV.F FSWZB[0],-1;"
+ "MOV.F FSWZB[1],-1;"
+ "MOV.F FSWZB[2],1;"
+ "MOV.F FSWZB[3],-1;";
+ }
ctx.code.insert(0, header);
ctx.code += "END";
return ctx.code;
diff --git a/src/shader_recompiler/backend/glasm/emit_glasm_instructions.h b/src/shader_recompiler/backend/glasm/emit_glasm_instructions.h
index 2eb1eb123..15380a955 100644
--- a/src/shader_recompiler/backend/glasm/emit_glasm_instructions.h
+++ b/src/shader_recompiler/backend/glasm/emit_glasm_instructions.h
@@ -616,7 +616,8 @@ void EmitShuffleDown(EmitContext& ctx, IR::Inst& inst, ScalarU32 value, ScalarU3
const IR::Value& clamp, const IR::Value& segmentation_mask);
void EmitShuffleButterfly(EmitContext& ctx, IR::Inst& inst, ScalarU32 value, ScalarU32 index,
const IR::Value& clamp, const IR::Value& segmentation_mask);
-void EmitFSwizzleAdd(EmitContext& ctx, ScalarF32 op_a, ScalarF32 op_b, ScalarU32 swizzle);
+void EmitFSwizzleAdd(EmitContext& ctx, IR::Inst& inst, ScalarF32 op_a, ScalarF32 op_b,
+ ScalarU32 swizzle);
void EmitDPdxFine(EmitContext& ctx, IR::Inst& inst, ScalarF32 op_a);
void EmitDPdyFine(EmitContext& ctx, IR::Inst& inst, ScalarF32 op_a);
void EmitDPdxCoarse(EmitContext& ctx, IR::Inst& inst, ScalarF32 op_a);
diff --git a/src/shader_recompiler/backend/glasm/emit_glasm_warp.cpp b/src/shader_recompiler/backend/glasm/emit_glasm_warp.cpp
index 0f987daeb..af0e13d43 100644
--- a/src/shader_recompiler/backend/glasm/emit_glasm_warp.cpp
+++ b/src/shader_recompiler/backend/glasm/emit_glasm_warp.cpp
@@ -95,8 +95,17 @@ void EmitShuffleButterfly(EmitContext& ctx, IR::Inst& inst, ScalarU32 value, Sca
Shuffle(ctx, inst, value, index, clamp, segmentation_mask, "XOR");
}
-void EmitFSwizzleAdd(EmitContext&, ScalarF32, ScalarF32, ScalarU32) {
- throw NotImplementedException("GLASM instruction");
+void EmitFSwizzleAdd(EmitContext& ctx, IR::Inst& inst, ScalarF32 op_a, ScalarF32 op_b,
+ ScalarU32 swizzle) {
+ const auto ret{ctx.reg_alloc.Define(inst)};
+ ctx.Add("AND.U RC.z,{}.threadid,3;"
+ "SHL.U RC.z,RC.z,1;"
+ "SHR.U RC.z,{},RC.z;"
+ "AND.U RC.z,RC.z,3;"
+ "MUL.F RC.x,{},FSWZA[RC.z];"
+ "MUL.F RC.y,{},FSWZB[RC.z];"
+ "ADD.F {}.x,RC.x,RC.y;",
+ ctx.stage_name, swizzle, op_a, op_b, ret);
}
void EmitDPdxFine(EmitContext& ctx, IR::Inst& inst, ScalarF32 p) {